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Finding the Fourth Proportional to 27,175.60, 40,759.03 and 7,449.55

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Solution

The fourth proportional to 27,175.60, 40,759.03 and 7,449.55 is: 11,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,175.60 : 40,759.03 = 7,449.55 : x
  2. Step 2: Convert to fraction form
    27,175.60/40,759.03 = 7,449.55/x
  3. Step 3: Cross multiply
    27,175.60x = 40,759.03 × 7,449.55
  4. Step 4: Simplify right side
    27,175.60x = 303,636,431.94
  5. Step 5: Solve for x
    x = 303,636,431.94/27,175.60
  6. Step 6: Final answer
    x = 11,173.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.